/************************************************************************
  Scheme interpreter
  
  Copyright (C) 2010 Marioly Garza 

  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as
  published by the Free Software Foundation, either version 3 of the
  License, or (at your option) any later version.
  
  This program is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Lesser General Public License for more details.
  
  You should have received a copy of the GNU Lesser General Public
  License along with this program. If not, see
  <http://www.gnu.org/licenses/>.

************************************************************************/

#ifndef _PARSER_H_
#define _PARSER_H_

#include <stack>
#include <queue>
#include <string>
#include <iostream>
#include "lexer.h"
#include "object.h"
#include "pair.h"
#include "scheme_exception.h"

class parser
{
    public:
        static object* parse(std::string exp);
        static object* sexp(std::queue<object*> &tokens);
        static object* next_list(std::queue<object*> &tokens);
};

#endif
